Readings show the efficient voltage determined by the normal worth of samples around a whole number of periods of the fundamental frequencyV?y nên nhà cái 123b ch? c?n có b?t k? hành ??ng gian l?n hay l?a ??o nào ??u s? b? tr?ng ph?t ho?c b? ng?ng ho?t ??ng ngay l?p t?c, ?? b?o v? quy?n l?i cho ng??i ch?i.Immediately seize, check out and eval